point bearing pile

例句：

1. 1. The engineer used a point-bearing pile to support the building's weight.
   工程师使用一个支点承载桩来支撑建筑物的重量。
2. 2.The construction crew had to replace the point-bearing pile before they could continue work.
   施工队伍在继续工作之前必须更换支点承载桩。
3. 3. The new design uses a lighter point-bearing pile to reduce the load on the foundation.
   新设计使用了较轻的支点承载桩，以减轻对地基的压力。